Dicyclohexylamine
Dicyclohexylamine
CAS: 101-83-7
Molecular Formula: C12H23N
Dicyclohexylamine - Names and Identifiers
| Name | Dicyclohexylamine |
| Synonyms | DCHA AURORA KA-7610 Dicyclohexylamin DICYCLOHEXYLAMINE Dicyclohexylamine DODECAHYDRODIPHENYLAMINE Dicyclohexylamine nitrite N-cyclohexylcyclohexanamine CYCLOHEXANAMINE,N-CYCLOHEXY DICYCLOHEXYLAMINE (SEE 2560) N-cyclohexylcyclohexanaminium N-cyclohexylcyclohexanaminium nitrite |
| CAS | 101-83-7 |
| EINECS | 202-980-7 |
| InChI | InChI=1/C12H23N/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h11-13H,1-10H2/p+1 |
| InChIKey | XBPCUCUWBYBCDP-UHFFFAOYSA-N |
Dicyclohexylamine - Physico-chemical Properties
| Molecular Formula | C12H23N |
| Molar Mass | 181.32 |
| Density | 0.912g/mLat 20°C(lit.) |
| Melting Point | -2 °C |
| Boling Point | 256 °C |
| Flash Point | 205°F |
| Water Solubility | 1 g/L (20 ºC) |
| Solubility | organic solvents: soluble |
| Vapor Presure | 12 mm Hg ( 37.7 °C) |
| Vapor Density | 6 (vs air) |
| Appearance | Crystalline Powder |
| Color | White to off-white |
| Merck | 14,3095 |
| BRN | 605923 |
| pKa | 10.4(at 25℃) |
| PH | 11 (1g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents. |
| Sensitive | Air Sensitive |
| Explosive Limit | 0.8-4.6%(V) |
| Refractive Index | n20/D 1.4842(lit.) |
| Physical and Chemical Properties | Nature of colorless transparent oily liquid, strong alkaline, irritating ammonia flavor, flammable, highly toxic. Slightly soluble in water, miscible with organic solvents. Relative density 0.9103(20/4 C). Boiling point 255.8 degrees C (decomposition). Freezing point -2 °c. Refractive index nD(25 °c) 1.4823. nD(20 degrees C) 1.4842. Flash point 96. application of organic synthetic intermediates, can be used for the preparation of intermediates for dyes, rubber accelerators, nitrocellulose paint, pesticides, catalysts, preservatives, vapor phase corrosion inhibitors and fuel antioxidant additives. toxicity this product is highly toxic. It has a strong osmotic odor and, therefore, is easier to detect. Mouse LD50 is 2g/kg, rat LD50 is 3.49g/kg. Dicyclohexylamine can be absorbed through the skin, causing skin allergy and gangrene, steam can cause Nausea and anesthesia, but will not cause blood poisoning. Dicyclohexylamine has been reported to cause cancer. The maximum allowable concentration in workplace air is 10mg/m3. Production equipment should be sealed to prevent run, run, drop, leakage. The operation site is forced ventilation, and the operator is wearing protective equipment. packaging, storage and transportation shall be sealed in iron drum with a net weight of 150kg. Storage in a cool, ventilated, dry place, isolated from fire, handling and transportation should be in accordance with the provisions of flammable and toxic chemicals. |
| Use | Used in organic synthesis, also used as insecticide, acid gas absorbent and steel rust inhibitor |
Dicyclohexylamine - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R24/25 - |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2565 8/PG 3 |
| WGK Germany | 2 |
| RTECS | HY4025000 |
| FLUKA BRAND F CODES | 8-9-23 |
| TSCA | Yes |
| HS Code | 29213000 |
| Hazard Class | 8 |
| Packing Group | III |
Dicyclohexylamine - Nature
Open Data Verified Data
colorless transparent oily liquid, strong alkaline, irritating ammonia flavor, flammable, highly toxic. Slightly soluble in water, miscible with organic solvents. The relative density was 0. 9103. Boiling point 255,8 degrees C (decomposition). Freezing point -2 °c. Refractive index 4823, flash point 96 °c.
Last Update：2024-01-02 23:10:35
Dicyclohexylamine - Preparation Method
Open Data Verified Data
with aniline as raw material, in the presence of catalyst, high temperature and high pressure hydrogenation, to obtain dicyclohexylamine.
Last Update：2022-01-01 10:39:03
Dicyclohexylamine - Use
Open Data Verified Data
organic synthesis intermediates, can be used for the preparation of dye intermediates, rubber accelerators, nitrocellulose paint, pesticides, catalysts, preservatives, vapor phase corrosion inhibitors and fuel antioxidant additives.
Last Update：2022-01-01 10:39:03
Dicyclohexylamine - Safety
Open Data Verified Data
- This product is highly toxic. It has a strong osmotic odor and, therefore, is easier to detect. Mouse LD50 2g/kg, rat LD50 3.49g/kg. Dicyclohexylamine can be absorbed through the skin, causing skin allergy and gangrene, vapor can cause Nausea and anesthesia, but will not cause blood toxicity. Dicyclohexylamine has been reported to cause cancer. The maximum allowable concentration in workplace air is 10 mg/m3. Production equipment should be sealed to prevent run, run, drop, leakage. The operation site is forced ventilation, and the operator is wearing protective equipment.
- packaged in an iron drum with a net weight of 150kg. Storage in a cool, ventilated, dry place, isolated from fire, handling and transportation should be in accordance with the provisions of flammable and toxic chemicals.
Last Update：2022-01-01 10:39:04
Dicyclohexylamine - Reference Information
Open Data Verified Data
| freezing point | -2 ℃ |
| LogP | 2.724 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | dicyclohexylamine is mainly used in the fields of synthetic rubber accelerator, metal corrosion inhibitor, surfactant, oilfield chemicals, medicine and pesticide. With the progress of science and technology, its new applications have been developed, and most of the fine chemicals synthesized by it are new products with development prospects. used in the manufacture of rubber vulcanization accelerators, pesticides, catalysts, preservatives, etc. used in organic synthesis, also used as pesticides, acid gas absorbent and steel rust inhibitor are widely used as organic synthesis intermediates, can be used for the preparation of dye intermediates, rubber accelerator, nitrocellulose paint, pesticides, catalysts, preservatives, gas phase corrosion inhibitor and fuel antioxidant additives. It is also used as an extractant. The fatty acid salts and sulfates of dicyclohexylamine have the stain removal properties of soaps and are used in the printing and dyeing and textile industries. Its metal complex is used as a catalyst for ink and paint. |
| preparation | The hydrofinishing reactor was a tubular fixed-bed reactor with an inner diameter of 20mm. The catalyst is a nickel-based highly active catalyst with a fixed volume of 15mL. The catalyst is installed in the isothermal zone of the reactor with a particle size of 20 mesh to 40 mesh: ni: Al: Mo = 85: 5: 5. The crude dicyclohexylamine and hydrogen were introduced from the upper part of the reactor to perform a hydrorefining reaction, and the product was continuously collected and analyzed from the lower end of the reactor, and the hydrogen after gas-liquid separation was recovered and reused. The injection composition (weight percentage) of the crude dicyclohexylamine was 10.15% of cyclohexylamine, 5.11% of aniline, 79.91% of dicyclohexylamine, 0.31% of dicyclohexylamine, 0.1% of cyclohexylaniline and 1.88% of cyclohexene aniline. Reaction Conditions: 180 ℃, 3.5MPa, liquid volume space velocity 0.2 h-1, hydrogen to oil ratio 1000. Product distribution after hydrorefining: cyclohexylamine 5.76%, aniline 0%, dicyclohexylamine 93.03%, dicyclohexylamine 0%, cyclohexylaniline 0.01%, cyclohexene aniline 0%. |
| hazard | decomposition during combustion. Toxic fumes containing nitrogen oxides are generated. Dicyclohexylamine is a strong base. It reacts vigorously with acid and corrodes. Reaction with a strong oxidant. |
| production method | dicyclohexylamine was prepared by hydrogenation of aniline at high temperature and high pressure in the presence of a catalyst. |
| category | corrosive article |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 373 mg/kg; Intraperitoneal-mouse LD50: 500 mg/kg |
| stimulation data | Skin-rabbits 2 mg/24 h severe; eye-rabbit 0.75 mg/24 h severe |
| explosive hazard characteristics | corrosive to skin and cornea |
| flammability hazard characteristics | flammability; Toxic NOx smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from acids. |
| extinguishing agent | Sand, foam, carbon dioxide, dry powder |
| Occupational Standard | sel 1 mg/m3 |
| spontaneous combustion temperature | 240°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-09-20 09:31:07
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